Storage box



FIG. 1 is a first perspective view of a storage box showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the figures and the areas within the broken lines show portions of the storage box that form no part of the claimed design. 

CLAIM The ornamental design for a storage box, as shown and described. 